Abstract
The development of miniature high torque motors is essential for the realization of miniature robots which require large driving force. This is the background of this research to develop pneumatic wobble motor, which is high torque stepping motor with reduction function. Pneumatic wobble motor consists of a donut-shaped wobble generator, which is made of silicone rubber, a wobble ring, which is made of metal, and a rotor. The rotor is encased in the wobble ring, which is covered by the wobble generator. The wobble generator has three chambers and injecting air rotate. Authors had developed a six-chamber φ 10mm pneumatic wobble motor and six-chamber 6.7mm. In this study, the pneumatic wobble motor is miniaturized to φ 6mm by applying fine processing technology. Besides the number of pneumatic chambers are decreased from 6 to 3.
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